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US 12,559,953 B2Granted
Scaffold stairway having step holders
AssigneePeri SE
InventorJulian Hellenschmidt
Life of this patent
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Abstract
A scaffold stairway having two spaced-apart side rails designed as hollow profiles and a plurality of separate steps. The steps can be fastened by their free ends in holding devices for holding the steps that are designed as grooves on the mutually facing lateral faces of the side rails. The free ends of the steps lie on a groove flank or a groove flank portion. As a result, the side rails can be coupled.
Claims18
A scaffold stairway, comprising:
- two separate side rails, a side rail of the two separate side rails having an inner face and an outer face and a second side rail of the two separate side rails having a second inner face and a second outer face such that the inner face faces the second inner face and the outer face faces away from the second outer face, the side rail having a hollow profile defined between the inner face and the outer face, the second side rail having a hollow profile defined between the second inner face and the second outer face;
- and
- a plurality of separate stairway step elements configured to be coupled to the side rails,
- wherein the side rail includes a plurality of ribs on the inner face, the plurality of ribs projecting from the inner face so as to define a plurality of channels, each channel of the plurality of channels being formed between an adjacent pair of the plurality of ribs, wherein a rib height of the plurality of ribs is defined as a distance between the plurality of ribs and the plurality of channels in a direction perpendicular to surfaces of the plurality of ribs,
- wherein the side rail includes a plurality of second ribs on the outer face, the plurality of second ribs projecting from the outer face so as to define a plurality of second channels, each channel of the plurality of second channels being formed between an adjacent pair of the plurality of second ribs,
- wherein the side rail defines a plurality of grooves formed in the plurality of ribs, each of the plurality of grooves being defined by a lower horizontal edge and an upper horizontal edge, the plurality of grooves being horizontally arranged such that a lowest edge of a free end of one of the plurality of stairstep elements can rest on lower horizontal edges of the plurality of grooves and an entire height of the free end can be disposed between the lower horizontal edges and the upper horizontal edges, wherein a depth of each of the plurality of grooves ends at the plurality of channels and is equivalent to the rib height,
- wherein the side rail comprises first stops defined by vertical edges of the plurality of grooves and disposed at a level of the plurality of grooves, the first stops being configured to limit insertion of the free end.
4 more elements
A scaffold stairway, comprising:
- a side rail having an inner face and an outer face;
- a second side rail having a second inner face and a second outer face such that the inner face faces the second inner face and the outer face faces away from the second outer face, the side rail having a hollow profile defined between the inner face and the outer face, the second side rail having a hollow profile defined between the second inner face and the second outer face;
- and
- a plurality of stairway step elements configured to be coupled to the side rail and the second side rail,
- wherein the side rail and the second side rail include a plurality of ribs on the inner face and the second inner face, the plurality of ribs projecting from the inner face and the second inner face so as to define a plurality of channels, each channel of the plurality of channels being formed between an adjacent pair of the plurality of ribs, wherein a rib height of the plurality of ribs is defined as a distance between the plurality of ribs and the plurality of channels in a direction perpendicular to surfaces of the plurality of ribs,
- wherein the side rail and the second side rail include a plurality of second ribs on the outer face and the second outer face, the plurality of second ribs projecting from the outer face and the second outer face so as to define a plurality of second channels, each channel of the plurality of second channels being formed between an adjacent pair of the plurality of second ribs,
- wherein the side rail and the second side rail define a plurality of grooves formed in the plurality of ribs, each of the plurality of grooves being defined by a lower horizontal edge and an upper horizontal edge, the plurality of grooves being horizontally arranged such that a lowest edge of a free ends of one of the plurality of stairstep elements can rest on the lower horizontal edges of the plurality of grooves and an entire height of the free end can be disposed between the lower horizontal edges and the upper horizontal edges, wherein a depth of each of the plurality of grooves ends at the plurality of channels and is equivalent to the rib height,
- wherein the side rail and the second side rail comprise first stops defined by vertical edges of the plurality of grooves and disposed at a level of the plurality of grooves, the first stops being configured to limit insertion of the free ends.
5 more elements
Dependencies are inferred from the claim text.